US Bridges

Tanner Bridge RD over Hazel Br

Good

Cole County, Missouri · S 14 T 43 N R 12 W · Structure no. 16347

Built
1989
36 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
55
2024 count
Owner
County
County Highway Agency

About this bridge

Tanner Bridge RD over Hazel Br is a concrete culvert carrying Tanner Bridge RD over Hazel Br in Cole County, Missouri. It was built in 1989, so it is 36 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 55 vehicles a day, roughly 10% of them trucks, projected to reach 94 by 2044. The structure is 25 ft (7.6 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesTanner Bridge RD
CrossesHazel Br
LocationS 14 T 43 N R 12 W
RouteCounty Highway 117
Coordinates38.47857, -92.22354
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span13 ft (4 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic55 (2024)
Projected traffic94 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Tanner Bridge RD over Hazel Br built?

It was built in 1989, making it 36 years old in 2025.

What condition is Tanner Bridge RD over Hazel Br in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does Tanner Bridge RD over Hazel Br carry?

About 55 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Tanner Bridge RD over Hazel Br?

The structure is 25 ft (7.6 m) long with a longest span of 13 ft (4 m) and a deck 33 ft wide.

Who owns Tanner Bridge RD over Hazel Br?

It is owned by the County Highway Agency.